Is there any way of solving the following second-order ODE $$y''+\frac{(y'+2ay)^2+4b^2}{2y}+\frac{10}{3}a=0,$$$$y''+\frac{(y'+2ax)^2+4b^2}{2y}+\frac{10}{3}a=0,$$ where $a$ and $b$ are some constant? If we know that one solution exists, how would it help to possibly find another solution?
Any help will be appreciated.